Novelty salt and pepper shakers of all kinds are available through online boutiques like Wayfair, Pier1 and RetroPlanet, all of which specialize in knickknacks and other kitchen and home accessories. These stores stock goods in a wide array of styles and sizes so that they can be purchased to suit varying aesthetic sensibilities.
Pier1 is a business based around the sale of kitsch, small objects which help to define a space by projecting a distinct personality. This makes its stores and its website a good place for shoppers with a specific feel for their space in mind, as it can accommodate many.
Wayfair is an online store focused on small, appealing accent pieces such as salt and pepper shakers. It stocks many, both new and antique. It deals with a huge range of other kitchen and dining room accessories, which can easily serve as the component parts of a unified aesthetic.
Retro Planet explicitly and directly deals with things that project feels reminiscent of the 1950s, 1960s and 1970s. Its novelty salt and pepper shakers evoke those time periods with bright colors, strange designs and cute matching pairs, such as bride and groom or cat and dog. It is a good site for those with throwback sensibilities.